C31232233133313221211113313331333132313331322121111131133132313221211   >>    C3123223313331322121111331333133313231333132212111113113313231322121   <<    C31232233133313221211113313331333132313331322121111131133132313221213   >>      C31232233133313221211113313331333132313331322121111131133132313221212   >>